Anyone who saw Rafael Nadal and Novak Djokovic carving out another chapter in their intense rivalry on the red dust of Rome on Sunday will know the time has come for the tennis season to get serious again.

Eight years from now the beautiful game will, briefly, call Qatar home. But, currently, the Gulf state is playing host to a very different sport - the blame game. Or, more accurately, the 'don't blame me' game.

Manchester City sent out an ominous title warning to their rivals as they moved to the top of the Premier League with a fine win in north London - although an injury to Sergio Aguero took some of the gloss off the win.

Andy Murray rattled off an incredible 23 points in a row to finish off his Australian Open second-round match against Vincent Millot, after appearing to get fired up by his opponent's over-zealous celebrations.

Barcelona v Real Madrid, it's an occasion which brings out the closet La Liga expert in all of of us. So, if you fear your eye-rolling friends may leave you alone in the pub, here's our ten step guide to telling whether you've become an El Clasico bore.

One of the things we're known for here at Metro is that we play things straight. No bias, no agenda and always impartial. Of course, being impartial is all well and good but it can be a bit limiting. And this is especially true when it comes to sport, where really it's all about being very, very partial. So, this season, we thought it was time for a change. Welcome to Club Metro.